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7300 Series > 7309A
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7309A
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Description
Bearing Numbers
Single row
:
7309A
DB
:
7309DB
DF
:
7309DF
DT
:
7309DT
Principal dimensions(mm)
d
:
45
D
:
100
B
:
25
r(min)
:
1.5
r1(min)
:
1
Basic load ratings(N)
Cr
:
63500
Cor
:
43500
Basic load ratings(kgf)
Cr
:
6450
Cor
:
4450
Value
fo
:
13.7
Limiting Speed (rpm)
Grease
:
6300
Oil
:
8500
Distance of action point(mm)
a
:
33.4
Abutment and fillet dimensions
da(min)
:
54
Da(max)
:
91
ra(max)
:
1.5
Weight
(kg)
:
0.848
Basic load ratings(duplex bearing) (N)
Cr
:
103000
Cor
:
87000
Basic load ratings(duplex bearing) (kgf)
Cr
:
10500
Cor
:
8900
Limiting Speed(duplex bearing) (rpm)
Grease
:
5000
Oil
:
6700
Distance of action point (duplex bearing)(a0)
back-to-back arrangement
:
66.9
face-to-face arrangement
:
16.9
Installation dimensions(duplex bearing)
db(min)
:
51
Db(max)
:
94
rb(max)
:
1
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